14815386661 has 8 divisors (see below), whose sum is σ = 15688045440. Its totient is φ = 13942857408.

The previous prime is 14815386659. The next prime is 14815386673. The reversal of 14815386661 is 16668351841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14815386661 - 2¹ = 14815386659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14815386611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301650 + ... + 347308.

It is an arithmetic number, because the mean of its divisors is an integer number (1961005680).

Almost surely, 2^14815386661 is an apocalyptic number.

It is an amenable number.

14815386661 is a deficient number, since it is larger than the sum of its proper divisors (872658779).

14815386661 is a wasteful number, since it uses less digits than its factorization.

14815386661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64763.

The product of its digits is 829440, while the sum is 49.

The spelling of 14815386661 in words is "fourteen billion, eight hundred fifteen million, three hundred eighty-six thousand, six hundred sixty-one".